Home / 614,854.40-922,631.51-490,982.72

Finding the Fourth Proportional to 614,854.40, 922,631.51 and 490,982.72

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Solution

The fourth proportional to 614,854.40, 922,631.51 and 490,982.72 is: 736,753.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,854.40 : 922,631.51 = 490,982.72 : x
  2. Step 2: Convert to fraction form
    614,854.40/922,631.51 = 490,982.72/x
  3. Step 3: Cross multiply
    614,854.40x = 922,631.51 × 490,982.72
  4. Step 4: Simplify right side
    614,854.40x = 452,996,124,951.81
  5. Step 5: Solve for x
    x = 452,996,124,951.81/614,854.40
  6. Step 6: Final answer
    x = 736,753.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.